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2014/10/15 ¤U¤È 10:04:06
iphone Programming Glossary: assumptionsiOS Image Orientation has Strange Behavior http://stackoverflow.com/questions/10600613/ios-image-orientation-has-strange-behavior it. Windows however is not smart enough to read the EXIF data and therefore displays the image improperly . Are my assumptions correct iphone objective c ios share improve this question I did R D on it and discovered every image file has metadata..
What happens if I don't retain IBOutlet? http://stackoverflow.com/questions/1250518/what-happens-if-i-dont-retain-iboutlet a more concrete example would be useful to indicate why you should use a retaining property I'm going to make some assumptions about the context in which you're working I'll assume the UITextField above is a subview of another view that is controlled..
iPhone: Base versus Active versus Deployment target http://stackoverflow.com/questions/1358033/iphone-base-versus-active-versus-deployment-target I know that parts of this question was asked in several variation but I want to make sure I got it right. Here are my assumptions and understandings which I want to know if they are correct before submitting. My application assumes features supported..
How to import Social framework only for iOS 6? http://stackoverflow.com/questions/14002304/how-to-import-social-framework-only-for-ios-6 for guessing what is supported check if a particular feature is actually available instead of using it based on assumptions. That said recent versions of iOS and the toolchain support weak linking. Just check for the class you're intending to use..
NSOperationQueue and concurrent vs non-concurrent http://stackoverflow.com/questions/1646795/nsoperationqueue-and-concurrent-vs-non-concurrent these tasks is because the order they're inserted into the queue is the order they should be completed. Are these assumptions correct iphone objective c cocoa cocoa touch multithreading share improve this question NSOperationQueue always executes..
Asynchronous request to the server from background thread http://stackoverflow.com/questions/1728631/asynchronous-request-to-the-server-from-background-thread thread dies before async request is finished it job and this causes the problem but I'm not sure. Am I right with this assumptions Is there any way to avoid this problem I know I can use sync request to avoid this problem but it's just simple example..
Determine if current local time is between two times (ignoring the date portion) http://stackoverflow.com/questions/2108223/determine-if-current-local-time-is-between-two-times-ignoring-the-date-portion do the timezone conversion after that they might . So if we're to ignore the given date information completely some assumptions have to be made with how to handle these date spans. Your question isn't exact on how to deal with this i.e. I don't know..
Why not use development provisioning instead of ad hoc? http://stackoverflow.com/questions/2625773/why-not-use-development-provisioning-instead-of-ad-hoc I've made a lot of development ad hoc and app store builds and now I find that I seem to have made some wrong assumptions. iphone share improve this question There's one situation in which you need an Ad Hoc profile and that's when you want..
http://stackoverflow.com/questions/3220695/nstimer-problem about Using Timers Based on your description you probably want code that looks something like this. I've made some assumptions regarding behavior but you can suit to taste. This example assumes that you want to hold on to a reference to the timer..
how to create a tabbar programmatically and adding buttons on it http://stackoverflow.com/questions/3220978/how-to-create-a-tabbar-programmatically-and-adding-buttons-on-it controller changes each time you change screens within the Nav Controller. Some apps work this way. Most do not. If my assumptions above are true I would suggest you rethink your code to see if you want to pursue this line of development. If so you can..
Compensating compass lag with the gyroscope on iPhone 4 http://stackoverflow.com/questions/4212988/compensating-compass-lag-with-the-gyroscope-on-iphone-4 up. So my questions Am I on the right track with this Am I using the gyro data from CMDeviceMotion properly and the assumptions I listed above correct Why might yaw freak out when gravity.z is around 0 Thank you very much. I look forward to hearing..
Subclassed UIAlertView not drawn correctly in iOS 4.2 http://stackoverflow.com/questions/4269461/subclassed-uialertview-not-drawn-correctly-in-ios-4-2 knew it was a fragile implementation since customizing subclassing UIAlertView isn't officially supported and makes assumptions about the internal structure of the view hierarchy but the release of 4.2 really kicked us into gear. In the end we implemented..
Objective-C: Find numbers in string http://stackoverflow.com/questions/4663438/objective-c-find-numbers-in-string scanCharactersFromSet numbers intoString numberString Result. int number numberString integerValue Some of the many assumptions made here Number digits are 0 9 no sign no decimal point no thousand separators etc. You could add sign characters to the..
http://stackoverflow.com/questions/6210065/in-app-purchase for the 30 fee for the Apple e.g. theoretically if the content is charged for 10.000USD Apple takes 3.000USD. Are my assumptions correct BR STeN iphone ios in app purchase share improve this question Yes that is correct. Note however that if you..
performSelector may cause a leak because its selector is unknown http://stackoverflow.com/questions/7017281/performselector-may-cause-a-leak-because-its-selector-is-unknown to record all of the information about the selector and the object during compilation. It doesn't need to make any assumptions about anything. I checked this a year a so ago by looking at the source but don't have a reference right now. Suppression..
Change UINavigationItem colour http://stackoverflow.com/questions/7314703/change-uinavigationitem-colour future OS release and is not recommended. At the very least you should perform a lot of testing and make sure you your assumptions of the subview layout of the navigation bar are correct. or You can change the color by changing the tintColor property..
UITransitionView and UILayoutContainerView http://stackoverflow.com/questions/781342/uitransitionview-and-uilayoutcontainerview you retrieve from a superView message is not contentious. What you should not do or be careful if you do do is make assumptions about the view you are adding to. Specifically its class but even basic things like the fact that it even exists. What are..
http://stackoverflow.com/questions/8146253/animate-change-of-view-controllers-without-using-navigation-controller-stack-su EDIT Original Answer below only works for portait orientation I made the following assumptions for this example You have a view controller assigned as the rootViewController of your window When you switch to a new view..
http://stackoverflow.com/questions/8723923/core-data-vs-sqlite-or-fmdb knock on portable business logic. But really code ported from a desktop or server environment has so many implicit assumptions about the speed of the disk the amount of memory and the reality of a VM with a backing store it just will not work well..
Detecting iPad 3 vs iPad 2 device? [duplicate] http://stackoverflow.com/questions/9613237/detecting-ipad-3-vs-ipad-2-device Note that it is generally better to detect specific features rather than make blanket assumptions based on model version detection. For instance if you need a camera then test for the camera explicitly if you need to tweak..
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